Function _readPsbtFileIntoBase64

blue_modules/fs.ts:94–107

(uri: string)

};

const _readPsbtFileIntoBase64 = async function (uri: string): Promise<string> {
  const base64 = await RNFS.readFile(uri, 'base64');
  const stringData = uint8ArrayToString(base64ToUint8Array(base64)); // decode from base64
  if (stringData.startsWith('psbt')) {
    // file was binary, but outer code expects base64 psbt, so we return base64 we got from rn-fs;
    // most likely produced by Electrum-desktop
    return base64;
  } else {
    // file was a text file, having base64 psbt in there. so we basically have double base64encoded string
    // thats why we are returning string that was decoded once;
    // most likely produced by ColdCard
    return stringData;
  }
};

export const showImagePickerAndReadImage = async (): Promise<string | undefined> => {
  try {